Europe and Australia are about the same size, but the former has 660 million people and the latter only 18 million. Demographers concluded long ago that Europe was in danger of bursting at the seams, but Australia? Since white settlement of the continent began in 1788, the main concern of Australians has been underpopulation. Indeed, successive generations of Australians have advocated a rapid increase in their numbers, seeking to develop the country economically and to protect it from foreign aggression. From only 3.7 million in 1901, the population has soared to its current 18 million. With a relatively high fertility rate of 1.85 children per woman, Australia's population could double in 50 years. Many Australian politicians have been very happy with the increase. In 1983, ex-Premier of Victoria Henry Bolte observed that his state had grown by one million people during his term in office and asked, "Isn't that the yardstick of achievement and success?" But significant dissenting views have emerged. A majority of the public believes that Australiais, in fact, unable to sustainably support a large human population. The main problem lies in the generally inhospitable and fragile nature of the continent itself, which tends to contradict the image of large spaces waiting to be settled. The driest of all vegetated continents, Australia's total runoff of water is well short of the runoff from the Mississippi River alone. The landscape is also an inhibitor. No less than 70 percent of the continent is considered arid or semi-arid, with few permanent rivers, unpredictable rainfall and ancient soils. On top of that, Australia is facing severe environmental problems, with intense agriculture and deforestation causing widespread salinity, desertification and soil erosion. Just seven percent of the original vegetation remains, writes population expert Paul Ehrlich, and the removal of native trees has greatly disrupted the normal water cycle and dramatically reduced the amount of arable land. "Our highly evolved ecosystems are extremely fragile," reports Dr. Tim Flannery of the Australian Museum in his book The Future Eaters. "We've been overtaxing the land for so long there's no more 'give' in our ecosystems" warns botanist Dr. Mary White. She believes Australia may already be overpopulated, and suggests 13 million as an appropriate figure. Immigration, rather than natural fertility, has been the primary engine behind Australia's rapid population growth, particularly in the 1980s, when annual influx climbed above 100,000. The anti-immigration talk has brought charges of racism forth, but Australia's aboriginal population, expected to number no more than 350,000 by the year 2001, is also concerned about being overwhelmed by what it calls "totally unsustainable" population growth. "Reducing immigration would only be racist if it was cut in a racially selective way, instead of across the board," says Australians for an Ecologically Sustainable Population.
Difference between point and non point source pollution?
the difference is that a point source pollution comes from a specific site & the non-point source pollution comes from many sources rather than a single specific site.
or
point source pollution is pollution that comes from a known and specific location. Nonpoint source pollution is pollution that does not have a specific point of orign....................:-)Hisme John
Diff between the urban and rural areas due to education?
Urban means to do with a town or city.
Rural means to do with the countryside.
Rural Urban Suburban are also general designations given by the US government agencies (often used for determining grants and tax incentives). Not all agencies use the exact same population break downs or terms (exam. some may use Metropolitan Areas). Furthermore, agencies who use Rural, Urban, and Suburban data, sometimes define the boundaries different than other agencies.
Example:
Urban: 3,000+ persons per square mile
Suburban: 1,000 ‐ 3,000 persons per square mile
Rural: less than 1,000 persons per square mile
There are various types of pollution such as: air pollution - releases chemicals into the atmosphere; water pollution - waste water (sewage and chlorine) reaches the earth's surfaces which causes littering; noise pollution - which verifies aircraft noise, roadway noise and industrial noise; light pollution - increases over-illumination; and littering - the criminal activity of disposing man-made objects onto private property.
Can solar power work at night?
Solar panels do not produce electricity at night. You may be able to charge batteries during the day that you can use at night.
How does environment affect population?
As population increases ,more houses need to be built.Therefore shallow lakes and ponds or other low lying areas are filled up for use.This causes loss of lake and pond ecosystems.Increased waste production such as garbage and drainage finally contaminates the water table and the nearby water odies like rivers,streams or seas.Increase in populations also leads to furthur congestion and pressure on facilities like housing,employment,transportation,power and health care.Problems regarding waste management and waste disposal also become large.Garbage dumps fringe every major city and this has led to specialized waste management.But many times the rules are not maintained strictly and hence the toxins from these leach into the soil and contaminate the water table thereby affecting the people living in that particular region.
How was an ancient Egypt pyramid built?
They build the pyramid by staking large bench like rocks, like Djoser pyramid. In another occasion it might be staked like a three dimensional figure.
What is the age of consent to sign a legal document?
The age of consent is generally eighteen. However, you should check the laws in your particular jurisdiction.
The age of consent is generally eighteen. However, you should check the laws in your particular jurisdiction.
The age of consent is generally eighteen. However, you should check the laws in your particular jurisdiction.
The age of consent is generally eighteen. However, you should check the laws in your particular jurisdiction.
How many people built the pyramids in Egypt?
No doubt thousands died but the powers-to-be at the time most likely kept no records or even cared for that matter, so we have no idea of how many.
The most likely cause of death was probably being crushed by the heavy stones or from falls. Slaves working naked in the hot sun must have also died from heatstroke and dehydration.
What are the effects of throwing garbage anywhere?
It can cause major flooding. Also it does harm to people or animals who consume the polluted water. Aquatic animals will also die due to the water pollution. and there will be a decrease of fresh water sources.
What is the importance of studying poverty?
Wealth in the hands of people. Makes them think themselves more important, or aloof from those who lack money. Pride develops (distinction), envy... when someone comes along with more wealth. Not that wealth is wrong but a person has "TO REALISE WHO THE WEALTH BELONGED TO BEFORE I GOT MY TINY PORTION OF IT" and into whose energy it will go back into after the annihilation of all material bodies, and worlds.
Humility is a diamond that has no monetary value, but it is the most precious trait of humans. Poverty, is important, because it keeps your head grounded on the reality of this temporary material world, and body of 100 years if your un?lucky?
How can a person claim to to be so powerful and rich if it's all going to be taken off him at the time of death? It's a fantasy and illusion, and for anyone who wants to experience the eternal youthfulness of the spiritual world, being possessive, greedy and miserly over the stool on offer on this planet, is next to insanity, when it all ends, and your faith is tested, and what you think about at the time of death denotes your next body... Yam Yam Vapi smaram bhavam
Bhagavad GIta (as it is) CH8 text6
God knows what he's talking about
Govinda!
What are the example of gender roles?
Examples of gender roles would be the 25 hours a week a woman spends cleaning and cooking, and the 10 minutes that a man spends taking out the garbage. As you can see gender roles are often a bad idea.
What countries are in stage 3 of the demographic transition?
the United States, Japan,and much of Europe.
Yes. Same-sex marriage is legal in Georgia effective June 26, 2015.
Some wanted to get away from the King so they traveled to the New World to start over
What are three exceptions to the normal properties of metals and non metals?
Metals:
An organism composed of only one cell is?
An organism composed of only one cell is called a unicellular organism. Examples include bacteria, protists, and some types of algae. These organisms carry out all functions necessary for life within a single cell.
How do they make the GloFish glow I mean I know its a GM animal but what made it glow?
I got this info from "http://www.glofish.com/faq.asp#TheScienceofGloFish" Where does the fluorescent color come from?
The fluorescent color in our fish is produced by a fluorescent protein gene, which creates the beautiful fluorescence that can be seen when looking at the fish. The fluorescent protein genes occur naturally, and are derived from marine organisms. Exactly how is the fluorescent protein gene added to the fish? Every line of GloFish® fluorescent fish (i.e., GloFish® Starfire Red® Zebra, GloFish® Electric Green® Zebra, and GloFish® Sunburst Orange® Zebra) starts with a single fish. The process begins by adding a fluorescence gene to the fish before it hatches from its egg. Once the gene integrates into the genome (i.e., genetic code) of the embryo, the developing fish will be able to pass the fluorescence gene along to its offspring upon maturity. Because of this, the gene only needs to be added to one embryo; from that point forward, all subsequent fluorescent fish are the result of traditional breeding.
No, interbreeding between humans and dogs is not possible due to genetic differences. Each species has a unique number of chromosomes that are incompatible for reproduction.
Which substance is more acidic than honeybee venom?
Honeybee venom is a weak acid, so most other acids are stronger acids.
An Eco school is a school that incorporates environmental education into its curriculum and promotes sustainable practices within its operations. These schools focus on teaching students about environmental issues, encouraging eco-friendly behaviors, and reducing their ecological footprint through initiatives like recycling, energy conservation, and outdoor learning experiences.
What does it mean if a frog jumps on your face?
It means the frog got scared and was trying to protect himself
What are the causes of overpopulation of the human beings?
There are several causes of overpopulation:
Some of the main causes are:
· High birth rate
· No contraception
· Low infant mortality rate
· Children needed for work
· Children are a sign of virility
· Religion
· Migration
· Low death rate
· People live longer
· Lack of education
· Cultural influences
Most people want to have children, at some point in their lives, and they do not think about whether the nation or region or planet on which they live already has enough people or possibly too many people. They just think about their own personal lives, which, they believe (rightly or wrongly) would be enriched and made more fulfilled if they have children. And when enough people have enough children, the result is over population.
Whenever there is a baby boom, the population gets to very high levels.
When this becomes a problem because of food, over population occurs.
Lack of proper knowledge of birth control , ignorance and poverty.